From junction 12 of the M53 follow signs for city centre. St. John Street is off Eastgate Street (which is signposted from the ring road) at the centre of the shopping and pedestrianised area.
For parking, closest car park is The Grosvenor Shopping Centre, 2 Newgate Street. For Sat Nav, use postcode CH1 2EA. Open 24 hours, cost of £10 per day.